A common theme could be the love triangle aspect. With the reader in the middle of Vasquez and Faraday, there's often drama and tension as the reader navigates their feelings for both characters.
I'm not sure of specific 'vasquez x reader x faraday fanfiction' off the top of my head. But you can start by checking out fanfiction websites like Archive of Our Own. They usually have a wide variety of fanfictions, and you can search for the relevant tags to find what you're looking for.
A sense of belonging is another big theme. The reader, who may feel like an outsider in the real world, finds a place where they belong among the mutants. There are also themes related to fighting for justice, just like the X - Men do in the original stories.
One common theme is the struggle of choosing between two very different people. Choromatsu and Ichimatsu are distinct in their personalities and ways of showing love. Another theme could be self - discovery for the reader. As they interact with both characters, they learn more about themselves and what they truly want in a relationship.
Love triangles are a very common theme. Since it involves the reader, Naruto and Sasuke, there's often a tug - of - war between the two male characters for the reader's affection. Another common theme is friendship. Despite the romantic undertones, the pre - existing friendship between Naruto and Sasuke also plays a big role in these stories.
The theme of redemption also appears often. Loki, in particular, is a character who often has a journey of redemption in these stories. The reader can play a part in his journey, either by believing in him or by helping him see the error of his ways. And Thor may also have to come to terms with Loki's changing nature as the relationship with the reader progresses.
One common theme is the struggle of choosing between two very similar yet different individuals. Hikaru and Kaoru are twins but have distinct personalities, and the reader often has to figure out their true feelings for each. Another theme is the idea of a shared love or a love triangle. It can be a complex web of emotions as the reader tries to balance their relationships with both.
One common theme is friendship. Ace, the reader, and Marco often form a strong bond of friendship that can withstand various challenges. Another theme is adventure. They might go on quests or face dangerous situations together. Love, in a platonic or sometimes romantic sense, is also a theme. The characters care deeply for each other and support one another through thick and thin.
One common theme is friendship. The relationship between the three characters can be explored in terms of how they become friends, support each other, and have fun together. Another theme could be cultural exchange, since Spain and Romano have their own distinct cultures in the Hetalia universe, and the reader can be a part of that exchange.
One common theme is cultural exchange. France and England have rich and distinct cultures, and when you add a reader character, it often involves exploring how these different cultures interact. For example, they might introduce the reader to different cuisines, art forms, or historical traditions.
One common theme is the struggle between the human and the divine. Dean represents the human side with his flaws and earthly desires, while Castiel is the angelic being. The reader is often caught in the middle, trying to understand and bridge this gap. For example, in many fics, the reader has to help Dean accept Castiel's otherworldly nature and vice versa.